A winter storm in Northern California spawned a tornado on Friday, setting off a warning for people to seek shelter urgently. The tornado was confirmed around 5:30 p.m. local time near Paynes ...

San Mateo County was last issued a tornado warning on March 18, 2011. “It’s certainly unusual. We don’t see the ingredients come together all the time for tornadoes,” Bain said.

A potent winter storm targeting Northern California this weekend brought what appears to be the first official tornado warning on record for the city of San Francisco on Saturday morning.

Tornado Warnings Issued For Far Northern California A series of tornado warnings held far Northern California captive for most of Saturday evening. Mar 29, 2014 ...

The warning was for people in northern central Tehamd County and southern central Shasta Count and is in effect until 6 p.m. on Friday."At 5:22 p.m., a confirmed tornado was located near Paynes ...

The National Weather Service issued a tornado warning for San Francisco at 5:51 a.m. Saturday, the first in its history. Tornadoes are rare but not unheard of in California. Since 1950, there have ...

Johnson said preliminary reports indicate the tornado spawned by the fire was the equivalent of an EF-1, which packs three-second wind gusts between 86 mph and 110 mph, or an EF-2, with three ...

The National Weather Service on Tuesday issued a tornado warning in parts of the Foothills including Grass Valley, Nevada City and Loma Rica. Chances of a tornado are being picked up on radar in ...

The U.S. National Weather Service has issued a tornado warning for parts of Northern California. The NWS told people to "take shelter now." Video above from Scotts Valley tornado. The warning was ...

The tornado warning on Saturday, which was in effect for about 30 minutes, was urgent: “Take shelter now in a basement or an interior room,” it read in part.